FURVERT!

2018 animal_genitalia animal_penis anthro balls black_hair black_penis blue_eyes equid equine equine_genitalia equine_penis erection fur genitals grey_body grey_fur hair hooves horn i-psilone kneeling looking_at_viewer male male_anthro mammal mane medial_ring mythological_creature mythological_equine mythology penis pink_penis simple_background solo tail unicorn white_background white_body white_fur